19001528

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 44943360

約数和(自身を除く): 25941832

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 86, 91, 104, 172, 182, 301, 344, 364, 559, 602, 607, 728, 1118, 1204, 1214, 2236, 2408, 2428, 3913, 4249, 4472, 4856, 7826, 7891, 8498, 15652, 15782, 16996, 26101, 31304, 31564, 33992, 52202, 55237, 63128, 104404, 110474, 182707, 208808, 220948, 339313, 365414, 441896, 678626, 730828, 1357252, 1461656, 2375191, 2714504, 4750382, 9500764, 19001528]

約数ペア:

[(1, 19001528), (2, 9500764), (4, 4750382), (7, 2714504), (8, 2375191), (13, 1461656), (14, 1357252), (26, 730828), (28, 678626), (43, 441896), (52, 365414), (56, 339313), (86, 220948), (91, 208808), (104, 182707), (172, 110474), (182, 104404), (301, 63128), (344, 55237), (364, 52202), (559, 33992), (602, 31564), (607, 31304), (728, 26101), (1118, 16996), (1204, 15782), (1214, 15652), (2236, 8498), (2408, 7891), (2428, 7826), (3913, 4856), (4249, 4472)]